budget_set_ceiling

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses return format, immediate effects, consequences of lowering below current spend (denies future budget_spend calls until reset), and that ceiling must be a positive integer. No annotations present, so description carries full burden and satisfies it.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured with clear sentences, each adding value. Front-loaded with purpose and return, then behavioral details. Slightly long but justified given complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, description fully explains return values. Covers preconditions and runtime implications, making it sufficient for correct agent invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers both parameters 100%. Description adds 'total token budget across all agents' and 'audit log' context but does not significantly enhance parameter meaning beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Does the description clearly state what the tool does and how it differs from similar tools?

Clear verb-resource pair 'Dynamically change the global token ceiling' distinguishes it from related sibling tools like budget_reset and budget_spend.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit warnings: 'Avoid lowering the ceiling while agents are actively running; call budget_status first' and explains when lowering vs raising is appropriate.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.